998773212 has 48 divisors (see below), whose sum is σ = 2403602432. Its totient is φ = 322600320.

The previous prime is 998773211. The next prime is 998773249. The reversal of 998773212 is 212377899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998773211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57912 + ... + 73152.

Almost surely, 2^998773212 is an apocalyptic number.

It is an amenable number.

998773212 is an abundant number, since it is smaller than the sum of its proper divisors (1404829220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998773212 is a wasteful number, since it uses less digits than its factorization.

998773212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15418 (or 15416 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 998773212 is about 31603.3734275314. The cubic root of 998773212 is about 999.5909033294.

The spelling of 998773212 in words is "nine hundred ninety-eight million, seven hundred seventy-three thousand, two hundred twelve".